Apple has announced that more than 600,000 people pre-ordered an iPhone 4 on Tuesday alone.
"It was the largest number of pre-orders Apple has ever taken in a single day and was far higher than we anticipated, resulting in many order and approval system malfunctions," says the company in a statement.
The launch of the pre-order process was hampered by websites falling over and other bugs in the system. In the US and UK, the initial stocks available for pre-order appear to have sold out.
ME has the full story.